Comments:
Information from owned Harmonia Mundi LPs and Musical Heritage
Society catalogue
The items listed in these LPs are found in chapters 1 and 2, pp.
17-43 "Historical Anthology of Music", (HAM) by T. Davison
and Willi Apel (2 vols., Cambridge, Mass., Harvard University Press,
1949)
The content of this LP is not the same but similar to
Pleiades P 247 Historical Anthology of
Music: Early Medieval Music (Part I), Pleiades
P 248 Historical Anthology of Music: Early Medieval Music (Part
II) and Pleiades P 249 Historical Anthology
of Music: Thirteenth-Century Polyphony